Warning: Undefined array key "site_code" in C:\Apache24\htdocs\lwork_set.php on line 2

Warning: pg_query(): Query failed: ERROR: syntax error at end of input LINE 1: select distinct work_name from defects where site_code= ^ in C:\Apache24\htdocs\lwork_set.php on line 8

Fatal error: Uncaught TypeError: pg_fetch_assoc(): Argument #1 ($result) must be of type PgSql\Result, false given in C:\Apache24\htdocs\lwork_set.php:9 Stack trace: #0 C:\Apache24\htdocs\lwork_set.php(9): pg_fetch_assoc(false) #1 {main} thrown in C:\Apache24\htdocs\lwork_set.php on line 9